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Date:      Thu, 7 Jun 2012 00:20:08 -0400
From:      Chris Nehren <apeiron+freebsd-stable@isuckatdomains.net>
To:        freebsd-stable@freebsd.org
Subject:   Re: Mergemaster Fails
Message-ID:  <20120607042008.GA30509@isuckatdomains.isuckatdomains.net>
In-Reply-To: <4FCFECFF.9070504@speakeasy.org>
References:  <4FCFECFF.9070504@speakeasy.org>

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On Wed, Jun 06, 2012 at 16:51:27 -0700 , Thomas D. Dean wrote:
> Mergemaster fails in a up-to-date as of now build.
>=20
> >  uname -a
> FreeBSD P9X79.tddhome 9.0-STABLE FreeBSD 9.0-STABLE #0: Wed Jun  6
> 16:16:58 PDT 2012     root@P9X79.tddhome:/usr/obj/usr/src/sys/GENERIC
> amd64
>=20
> # mergemaster
> ...
> [END]
>=20
> And no response to the keyboard, except <ctrl-Z.
> ^Z
>=20
> # ps
> ...
> 1363  4  Is   0:00.01 su
> 1364  4  S    0:00.01 _su (csh)
> 1368  4  T    0:00.06 /bin/sh /usr/sbin/mergemaster
> 2434  4  T    0:00.01 less
> 2439  4  R+   0:00.00 ps
>=20
> How do I get around this?

Have you tried ctrl-t? This will send SIGINFO to the process which
causes the shell to print out some information about the running program
(and if the foreground program knows about the signal, it can print out
some useful diagnostic info as well, like fsck and dd do). It sounds
like something is waiting for input or otherwise wedged, and ^T might
tell us which command and what it's trying to do.

Additionally, the output of ps ax -d (show process trees) would be
helpful. This should also show what mergemaster is waiting on.

--=20
Thanks and best regards,
Chris Nehren

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